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Lewiston

$302+ Cheap flights from Dulles Intl (IAD) to Lewiston, ID (LWS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LWS
Nov 12 — Nov 191
Wed 11/12
Wed 11/19
1 adult, Economy
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Find flight deals from Dulles Intl to Lewiston

Cheapest flights from Dulles Intl to Lewiston
Explore the most affordable flight options available from Dulles Intl to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2025.

This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:15 amIAD - LWS
1 stop10h 07mDelta
Wed 4/1512:30 pmLWS - IAD
1 stop8h 21mDelta
Deal found 10/12$506
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/71:00 pmIAD - LWS
2 stops11h 03mDelta
Tue 11/117:00 amLWS - IAD
2 stops13h 03mDelta
Deal found 10/13$803
This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:15 amIAD - LWS
1 stop10h 07mDelta
Fri 10/312:02 pmLWS - IAD
1 stop6h 31mDelta
Deal found 10/12$966
This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:15 amIAD - LWS
1 stop10h 07mDelta
Mon 11/32:02 pmLWS - IAD
1 stop6h 31mDelta
Deal found 10/12$992

Cheap flight deals from Dulles Intl to Lewiston

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Lewiston (LWS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$506
(Delta)

One-way from

$302
(Delta)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Lewiston Nez Perce Rgnl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Lewiston Nez Perce Rgnl flights.
Search Deals
From Washington, D.C. Dulles Intl to Lewiston Nez Perce Rgnl
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One-way flight from Washington, D.C. Dulles Intl to Lewiston Nez Perce Rgnl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Lewiston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 13, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Lewiston that are best for you.

Fly from

Dulles Intl

Fly to

Lewiston

Route

Depart

Return

Price

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Tue 11/4

6:15 am-1:22 pm

1 stop10h 07m

Lewiston Nez Perce Rgnl

Wed 4/15

12:30 pm-11:51 pm

1 stop8h 21m

$506

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Sat 3/28

7:00 am-9:02 pm

1 stop17h 02m

Lewiston Nez Perce Rgnl

Wed 4/1

12:30 pm-11:50 pm

1 stop8h 20m

$706

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Fri 11/7

1:00 pm-9:03 pm

2 stops11h 03m

Lewiston Nez Perce Rgnl

Tue 11/11

7:00 am-11:03 pm

2 stops13h 03m

$803

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Tue 11/4

1:00 pm-9:03 pm

2 stops11h 03m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Compare providers for flights from Dulles Intl to Lewiston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Lewiston in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Lewiston, Idaho flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Lewiston, Idaho flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Lewiston, Idaho flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Lewiston, Idaho flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Lewiston, Idaho flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Lewiston

Have a flexible travel schedule? Discover the best time to fly to Lewiston from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Lewiston

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho?

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho (average of $209). Flying from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho in October is currently the most expensive (average of $568). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Lewiston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Lewiston from Washington, D.C. Dulles Intl?

    If you book a flight to Lewiston from Washington, D.C. Dulles Intl, you will be flying to Nez Perce Rgnl, which is the city’s only airport. Lewiston Nez Perce Rgnl (LWS) is located 1.9 mi from the center of Lewiston. There are 0 flights from Washington, D.C. Dulles Intl to Nez Perce Rgnl per day from 0 different airlines.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho?

    Delta can get you from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho in just under 10h 07m. Your travel time can differ by up to . There are 2050 mi between Washington, D.C. Dulles Intl Airport and Lewiston, Idaho.

  • Can I find deals for flights from Dulles Intl to Lewiston that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Lewiston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Lewiston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Lewiston.

  • Can I find deals for business class flights from Dulles Intl to Lewiston?

    Yes. Cheapflights offers flight deals from Dulles Intl to Lewiston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho (average of $209). Flying from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho in October is currently the most expensive (average of $568). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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